At the moment, KWebS supports the following formats:

• The KIELER KGraph in its XML Metadata Interchange (XMI) notation, the identifier is de.cau.cs.kieler.kgraph
• The KIELER JSON Graph Format based on the JavaScript Object Notation format, the identifier org.json
• Graphviz DOT (http://www.graphviz.org/content/dot-language), the identifier is org.graphviz.dot
• GraphML (http://graphml.graphdrawing.org/specification.html), the identifier is org.graphdrawing.graphml
• Open Graph Markup Language (OGML) (https://eldorado.tu-dortmund.de/bitstream/2003/23280/1/Endbericht_PG478.pdf), the identifier is net.ogdf.ogml
• Matrix Market (http://math.nist.gov/MatrixMarket/reports/MMformat.ps), the identifier is gov.nist.math.matrix
• GML (http://www.fim.uni-passau.de/en/fim/faculty/chairs/theoretische-informatik/projects.html), the identifier is de.uni-passau.fim.gml
• SVG (http://www.w3.org/Graphics/SVG/), the identifier is org.w3.svg (only for output)